Cover for an electronic device



FIG. 1 is a bottom and front perspective view of a cover for an electronic device showing the claimed design;

FIG. 2 is a bottom and rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the figures show portions of the cover for an electronic device that form no part of the claimed design. 

CLAIM The ornamental design for a cover for an electronic device, as shown and described. 